#include <stdio.h> 

int main()
{
	printf("Hello World!");
	
	FILE *out_stream;
	if((out_stream = fopen("Test.txt", "w")) == NULL)
	{
		perror("Can't open output file");
		exit(1);
	}
	
	char out_char = 1<<7;
	fputc(out_char, out_stream);
	
	out_char = 1<<6 ^ 1<<4; // 01000000 xor 00010000 = 01010000 = 80 dec = 50 hex
	fputc(out_char, out_stream);
	
	fclose(out_stream);
	
	return 0;
}
